To start checking orders as you ship open up the Scan and Ship app in the shopify admin.
You will be prompted to scan in an order. Scan the barcode on the invoice / packing slip.
This will locate the details of your order.
You can now start scanning the barcodes on the items you have to ship. This checks that the correct item and correct quantity of each product is shipped to the customer. The system won't allow you to ship the package if the items are incorrect or you've missed something.
When you have scanned the first item it will be highlighted , the number of items left to scan and the number scanned will be displayed :
When you have scanned the correct quantity of an item the row will be highlighted in dark green .
If you scan an incorrect item an error will be shown :
When all items are complete Scan and Ship will inform you the order is complete and reset so that you can process the next order .